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Table 3 Secondary outcome measures at week 0, week 6 and week 12 for the 13 subjects that were retained for data analysis (mean ± std), and p-values of the statistical analysis (Friedman tests with 0.05 significance level and post-hoc Wilcoxon tests with 0.05 significance level).

From: Effects of a robot-assisted training of grasp and pronation/supination in chronic stroke: a pilot study

Secondary outcome measures

week 0

week 6

week 12

Friedman test

Wilcoxon test 0-6

Wilcoxon test 0-12

Motor Assessment Scale (normal = 18)

4.08 ± 3.30

5.08 ± 3.30

5.23 ± 3.63

0.004

0.010

0.006

Modified Ashworth Scale (normal = 0)

8.31 ± 3.12

7.38 ± 2.43

7.08 ± 3.15

0.038

0.118

0.019

Functional Test of Hemiparetic Upper Extremity (normal = 7)

2.92 ± 0.64

3.08 ± 0.64

3.08 ± 0.64

0.497

n.a.

n.a.

Nine Hole Peg Test *

n.a.

n.a.

n.a.

n.a.

n.a.

n.a.

Grip force (impaired hand/unimpaired hand) [%] †

21.92 ± 15.26

24.60 ± 12.94

22.02 ± 9.11

0.307

n.a.

n.a.

Pain (Visual Analog Scale)

0.46 ± 1.39

0.00 ± 0.00

0.00 ± 0.00

0.135

n.a.

n.a.

Satisfaction grade

 

3.08 ± 0.76

    
  1. * 12 subjects were unable to perform the NHPT
  2. † 2 subjects were unable to perform grip force measurements with their impaired hand